GY6 EGR Cylinder Head for PAIR, Absolutely Scooters & Supply
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GY6 EGR Cylinder Head for PAIR

GY6 EGR Cylinder Head for PAIR

57mm PAIR System Cylinder Head for 150cc GY6 4-stroke Chinese Scooter and ATV engines commonly referred to as EGR.

PAIR is an acronym for Pulsed Secondary Air Injection System. It is an emissions control system used to lower HC and CO emissions. It works by allowing fresh air into the exhaust flow. EGR is an acronym for Exhaust Gas Recirculation.

  • Fits 57mm cylinder bore 
  • Intake Port Diameter: 25mm
  • Exhaust Port Diameter: 24mm
  • Emission Control System: Pulsed Secondary Air Injection System(PAIR)